英语词汇“ulmin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ulmin
释义	ul·min \-mə̇n\ noun (-s) Etymology: Latin ulmus elm + English -in : any of a group of brown to black organic substances found especially in soil, peat, or coal and obtained artificially by the action of various reagents on sugars
随便看	nitric anhydride nitric oxide nitridation nitride nitride nitriding nitridize nitrido- nitrido nitrifaction nitriferous nitrifiable nitrification nitrifier nitrify nitrile nitrile nitrile rubber nitrilo nitrilo- nitrite nitrite nitrite group nitrite ion nitrito-

英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。